Ford Mustang (1999-2004) Service Manual: Transmission Description (Description and Operation)
The 4R70W has the following features:
- Wide ratio gears
- Four speeds
- Rear wheel drive
- Automatic
- Electronic shift
- Torque converter clutch control
- Line pressure controls
The transmission uses Ravigneaux-style double-pinion gearset with two bands, one one-way roller clutch, one mechanical diode and four friction clutches to produce four forward gears and Reverse.
4R70W Automatic Transmission

Automatic Transaxle/Transmission
General Specifications
a - MERCON V is not interchangeable at this time with the current MERCON
fluids. Check the
transmission fluid level indicator to determine the correct fluid and refer to
the ...
Identification Tags
All vehicles are equipped with a Vehicle Certification Label, located
on the driver side door lock post.
For correct transmission identification, refer to the code in the space
marked TR.
...
Other materials:
Deactivation
WARNING: Always wear safety glasses when repairing an air bag
supplemental restraint
system (SRS) vehicle and when handling an air bag module. This will
reduce the risk of injury
in the event of an accidental deployment.
WARNING: Carry a live air ...
Halfshaft Joint
Special Tool(s)
Driver
205-199 (T83T-3132-A1)
Hub Bearing Cup Replacer
205-147 (T80T-4000-P)
Sensing Ring Replacer
206-041 (T89P-20202-A)
Disassembly
1. CAUTION: Do not disassemble the halfshaft assembly. Install a new
assem ...
Hydraulic Lash Adjusters
Removal
1. Remove the roller followers. For additional information, refer to Roller
Followers in this section.
2. Remove the 16 hydraulic lash adjusters.
3. Inspect the roller followers. For additional information, refer to
Section.
Installation
1. To ins ...
